Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o construtor do carro de Jackie Stewart?
 ###Tabelas: CREATE TABLE headstamps_and_colour-coding (headstamps_and_colour-coding_id AUTO_INCREMENT PRIMARY KEY, Headstamp ID VARCHAR, Primer Annulus Color VARCHAR, Bullet Tip Color VARCHAR, Other Features VARCHAR, Functional Type VARCHAR) CREATE TABLE disaster_relief (disaster_relief_id AUTO_INCREMENT PRIMARY KEY, Disaster VARCHAR, Year VARCHAR, Countries Affected VARCHAR, Scale of Disaster VARCHAR, People Assisted VARCHAR, Nature of Help VARCHAR) CREATE TABLE 4a_members (4a_members_id AUTO_INCREMENT PRIMARY KEY, High School VARCHAR, Location VARCHAR, Founded INT, Affiliation VARCHAR, Enrollment INT, Nickname VARCHAR, Division VARCHAR) CREATE TABLE women's_jianshu__&__qiangshu_combined (women's_jianshu__&__qiangshu_combined_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Athlete VARCHAR, Qiangshu INT, Jianshu INT, Total INT) CREATE TABLE list_of_winners_by_year (list_of_winners_by_year_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Driver VARCHAR, Constructor VARCHAR, Location VARCHAR, Report VARCHAR)  
SELECT Constructor FROM list_of_winners_by_year WHERE Driver = jackie stewart